Agricultural device, has switch device including sensor for detecting raised position or lowered position of distributor, so as to determine distance of distributor to soil surface, where sensor is formed as non-contact probe

摘要

The device has a distributor with a frame and a reservoir arranged at a lifting device of an agricultural tractor. A drive motor is provided for driving a seed dosing device (7), where a switch device is provided for automatic switching on and off of the drive motor. The switch device includes a sensor (8) for detecting a raised position or a lowered position of the distributor, so as to determine a distance (A) of the distributor to a soil surface (9), where the sensor is formed as an ultrasound based non-contact probe.